Optimal Beef Cow Weights in the U.S. Southern Plains

Autor: Courtney Bir, Eric A. DeVuyst, Megan Rolf, David Lalman

Publikováno v: Journal of Agricultural and Resource Economics, Vol 43, Iss 1, Pp 103-117 (2018)

This research investigates net present valueÐmaximizing beef cow weights for U.S. Southern Plains cowÐcalf operations. The relationship between cow weight and calf weaning weight was estimated and weaning weights were simulated for a 15-year time p

Externí odkaz: https://doaj.org/article/1bcdc3d9689940ac915d859f94195e18

Parâmetros genéticos para diferentes relações de peso ao nascer e à desmama em vacas da raça Nelore Genetic parameters for different birth and weaning weight ratios in Nelore cows

Autor: Arione Augusti Boligon, Victor Eduardo Sala, Maria Eugênia Zerlotti Mercadante, Enilson Geraldo Ribeiro, Joslaine Noely dos Santos Gonçalves Cyrillo, Lucia Galvão de Albuquerque

Publikováno v: Ciência Rural, Vol 43, Iss 4, Pp 676-681 (2013)

O presente estudo foi desenvolvido com o objetivo de estimar herdabilidade e repetibilidade para diferentes medidas de eficiência produtiva de vacas e determinar a melhor maneira de calcular as relações de peso, visando a sua utilização como cri

Externí odkaz: https://doaj.org/article/56c2385866fb48cc98317fb1b198d804

KAJIAN USAHATANI PEMBERIAN PAKAN TAMBAHAN BERUPA AMPAS TAHU DAN BIOPLUS TERHADAP BOBOT SAPI LOKAL (ONGOLE) DAN SIMENTAL

Autor: Sammy M Shafar, Dina Omayani Dewi

Publikováno v: Jurnal Pertanian Agros, Vol 21, Iss 1, Pp 47-54 (2019)

This study aims is to determine the farming of additional feed in the form of tofu dregs and Bioplus to increase cattle weight. The material used were 8 local cows (Ongole) and Simental with ages one up to 1.5 years and the average initial body weigh

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doajarticles::0d70d9b5ef37924d4d1c89a686c77447
http://e-journal.janabadra.ac.id/index.php/JA/article/view/842/572

Investigating novelty traits to improve cow-calf efficiency in South African Afrikaner, Angus and Charolais for climate-smart production

Autor: Michiel M. Scholtz, F.W.C. Neser, M.C. Mokolobate

Publikováno v: South African Journal of Animal Science, Volume: 49, Issue: 4, Pages: 604-611, Published: 2019
South African Journal of Animal Science; Vol 49, No 4 (2019); 605-611

The aim is of the study was to identify novelty traits that could be used as breeding objectives to improve cow-calf efficiency and describe cow efficiency in extensive systems in support of climate-smart production in beef cattle. The traits that we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1d3acf32ed3b9973e69c746f4472eeea
http://www.scielo.org.za/scielo.php?script=sci_arttext&pid=S0375-15892019000400001&lng=en&tlng=en

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